Never grown any of these before they seem to have turned out OK. Remaining onions are starting to bulb now. Apparently today (longest day of the year ) they change from growing leaves to growing bulb, if this is true they should end up a reasonable size. I have just read on smithy veg that they need to be upright to grow evenly so this will be my task today plus blanching the celery. I've decided to use corrugated cardboard and string as I have never done this before but I am open to alternative suggestions.